វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Cofferdam
noun
1.
ទំនប់ទឹក
ENGLISH MEANING
noun
1.
A
water-tight
inclosure
, as of
piles
packed
with
clay
, from
which
the
water
is
pumped
to
expose
the
bottom
(of a
river
,
etc
.) and
permit
the
laying
of
foundations
,
building
of
piers
,
etc
.